/*
* XAdES4j - A Java library for generation and verification of XAdES signatures.
* Copyright (C) 2010 Luis Goncalves.
*
* XAdES4j is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or any later version.
*
* XAdES4j is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with XAdES4j. If not, see .
*/
//package xades4j.utils;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* Utility methods for DOM nodes.
*
* @author Luís
*/
public class DOMHelper {
/**
* Gets the first element with the specified qualified name that is descendant
* of {@code e}.
* @return the element or {@code null} if there is no such element
*/
public static Element getFirstDescendant(
Element e,
String nameSpace, String localName)
{
return (Element)e.getElementsByTagNameNS(nameSpace, localName).item(0);
}
}